From 1f94f0369937c9187b158f53a4a361507a62c5e9 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 26 Apr 2017 15:11:12 +0200
Subject: [PATCH] Fix build

---
 src/hydra-queue-runner/hydra-queue-runner.cc | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/hydra-queue-runner/hydra-queue-runner.cc b/src/hydra-queue-runner/hydra-queue-runner.cc
index 8aacd007..1aa89663 100644
--- a/src/hydra-queue-runner/hydra-queue-runner.cc
+++ b/src/hydra-queue-runner/hydra-queue-runner.cc
@@ -17,6 +17,15 @@
 using namespace nix;
 
 
+namespace nix {
+
+template<> void toJSON<std::atomic<long>>(std::ostream & str, const std::atomic<long> & n) { str << n; }
+template<> void toJSON<std::atomic<unsigned long>>(std::ostream & str, const std::atomic<unsigned long> & n) { str << n; }
+template<> void toJSON<double>(std::ostream & str, const double & n) { str << n; }
+
+}
+
+
 struct Config
 {
     std::map<std::string, std::string> options;